Re: [OMPI users] Using MPI in Toro unikernel

2022-07-24 Thread Matias Vara via users
Hello Gilles, Assuming you run one MPI task per unikernel, and two unikernels share > nothing, > it means that inter-node communication cannot be performed via shared > memory or kernel feature > (such as xpmem or knem). That also implies communication are likely using > the loopback interface > w

Re: [OMPI users] Using MPI in Toro unikernel

2022-07-24 Thread Gilles Gouaillardet via users
Matias, Assuming you run one MPI task per unikernel, and two unikernels share nothing, it means that inter-node communication cannot be performed via shared memory or kernel feature (such as xpmem or knem). That also implies communication are likely using the loopback interface which is much slowe

[OMPI users] Using MPI in Toro unikernel

2022-07-24 Thread Matias Ezequiel Vara Larsen via users
Hello everyone, I have started to play with MPI and unikernels and I have recently implemented a minimal set of MPI APIs on top of Toro Unikernel (https://github.com/torokernel/torokernel/blob/example-mpi/examples/MPI/MpiReduce.pas). I was wondering if someone may be interested in the use of unike